Neopentyl Glycol Diacetate (NPGDA), identified by CAS numbers 2223-82-7 and 13431-57-7, is a high-performance specialty ester synthesized through the esterification of neopentyl glycol with acetic acid. Characterized by its unique branched neopentyl backbone, NPGDA exhibits exceptional thermal and oxidative stability, as the lack of alpha-hydrogens on the central carbon atom prevents common degradation pathways. This colorless, low-viscosity liquid serves as a high-boiling solvent and plasticizer, bridging the gap between traditional glycol ethers and phthalate-based plasticizers. It is increasingly favored in modern chemical formulations due to its low volatility and favorable toxicological profile, making it a suitable candidate for low-VOC (Volatile Organic Compound) applications. Its bifunctional ester nature allows it to interact effectively with a wide range of resin systems, including acrylics, nitrocellulose, and polyurethanes, providing excellent film-forming properties and solvency in industrial coatings and specialized ink formulations.
* Low viscosity enables effortless handling and versatile formulation.
* Provides excellent solvency across a broad spectrum of materials.
* Offers superior chemical, hydrolytic, and UV resistance for durability.
* Features low volatility and minimal odor for enhanced user comfort.
* Optimizes pigment wetting and promotes strong adhesion.
* Ensures safer use and storage due to a high flash point.
* An environmentally responsible choice as a non-HAP solvent.
* Ideal for diverse applications in coatings, inks, and adhesives.
* Appearance: Clear, colorless liquid
* Specific Gravity @ 25°C: 1.006 – 1.010
* Molecular Weight: 188.22
* Boiling Point @ 760 mm Hg: 210°C (410°F)
* Flash Point (PMCC): 96°C (205°F)
* Viscosity @ 25°C: 3 cP
* Vapor Pressure @ 20°C: < 0.1 mm Hg
* Solubility in Water @ 25°C: < 0.1%
* Refractive Index @ 25°C: 1.423 – 1.426
* Purity (GC): Min. 99.0%
* **Water-borne and Industrial Coatings:** Functions as an effective coalescent, promoting excellent film formation and integrity in a wide array of paints and coatings, including architectural, automotive, and wood finishes.
* **General Solvent:** Serves as a low VOC, non-HAP solvent in various industrial applications, offering an alternative to higher VOC solvents in formulations.
* **PVC and Resin Plasticizer:** Used to enhance flexibility and workability in PVC and other resins, providing good compatibility and resistance to extraction.
* **Architectural Paints:** Improves the performance of both interior and exterior water-borne paints by ensuring superior film development and durability.
* **Specialty Coatings:** Acts as a high-performance coalescent and solvent in demanding applications such as automotive OEM & refinish, coil, and floor coatings.
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